Grooved earth working tool



FIG. 1 is a perspective view of a grooved earth working tool showing our new design;

FIG. 2 is a right side elevational view thereof; with the left side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a sectional view taken along line 7--7 of FIG. 3;

FIG. 8 is a sectional view taken along line 8--8 of FIG. 2; and,

FIG. 9 is a sectional view taken along line 9--9 of FIG. 2.

FIGS. 2-9 are shown on an enlarged scale. The broken line showing of the tip is for illustrative purposes only, and forms no part of the claimed design. 

The ornamental design for a grooved earth working tool, as shown and described. 